1921 



TYPE AMMONITES— III 



CCLXIIb 



Fig. i 



°M 



m 



■''itL&r 



Fig. 2 



Fig. 2a Fig. 2b 



Ammonites binatus, Bean MS. (Leckenby, 1859, Syntype) 



Q.J.G.S. XV, 7, 10; "The Castle Rock, Scarborough, Yorkshire" 



" Kell. Rock" (grey sandst., with irony pieces); Sedg. M., Cambridge 



S. 30, 25, 32, 55 ; 39 ribs ; 6 parabolic, on last whorl 



HAMULISPHINCTES HAMULATUS, nov. 

 Callovian, athleta ; Paratype 



